M85.559 Aneurysmal bone cyst, unspecified thigh
Instructional Notes:
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M85.559
Description: Aneurysmal bone cyst, unspecified thigh
↓
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M85.55
Description: Aneurysmal bone cyst, thigh
↓
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M85.5
Description: Aneurysmal bone cyst
Exclude2:
- aneurysmal cyst of jaw (M27.4)
↓
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M85
Description: Other disorders of bone density and structure
Exclude1:
- osteogenesis imperfecta (Q78.0)
- osteopetrosis (Q78.2)
- osteopoikilosis (Q78.8)
- polyostotic fibrous dysplasia (Q78.1)
↓
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M80-M85
Description: Disorders of bone density and structure (M80-M85)
↓
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M00-M99
Description: Diseases of the musculoskeletal system and connective tissue
Exclude2:
- arthropathic psoriasis (L40.5-)
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- compartment syndrome (traumatic) (T79.A-)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Notes:
- Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition